Sealing discs for feeding bottle SCF143/06 | Avent
Amazon.com : Nenesupply Caps Lids Compatible with Spectra Bottles Avent Bottles and Nenesupply Bottles Replace Spectra Bottle Cap Avent Bottle Cap Wide Neck Bottle Cap Compatible with Spectra Pump Parts Spectra S2 :
Amazon.com : Maymom Dome Caps, Screw Rings, Sealing Discs Compatible with Avent Natural Bottles, Avent PP Bottles or Natural; No Nipple Included. Convert Avent Classic Bottle Into Natural : Baby
Are your Avent bottles leaking? How to properly assemble Avent bottles